compteur et retour arriere

lib/jeuDuTaquin.dart

 import 'package:flutter/material.dart';
 import 'Tile.dart';
+import 'dart:math';
 
 class TileWidget extends StatelessWidget {
   Tile tile;
   bool isUsable=false;
+  TextStyle textStyle = TextStyle(fontSize: 10, fontWeight: FontWeight.bold,color: Colors.red,);
+  String nbrText="";
 
-  TileWidget(this.tile,this.isUsable);
+  TileWidget(this.tile,this.isUsable,this.nbrText);
 
   @override
   Widget build(BuildContext context) {
-    return Container(
+    return Stack(
+        children: <Widget>[
+          Container(
               child: Align(
                 child: tile.croppedImageTile(),
                 alignment: Alignment.center,
               )
+          ),
+          Center(child: Text(nbrText,style: textStyle,)),
+        ]
     );
   }
 }
@@ -44,17 +52,27 @@ List<Tile> createListTile(double size){
   return res;
 }
 
-List<TileWidget>createTileWidgets(double slide, int emptyIndex, List<Tile> listTiles){
+String getRightText(bool play, int i){
+  String res="";
+  if(play)res= i.toString();
+  return res;
+}
+
+List<TileWidget>createTileWidgets(double slide, int emptyIndex, List<Tile> listTiles,bool play, bool nombres){
   List<TileWidget> tiles = <TileWidget>[];
   int max=slide.toInt()*slide.toInt();
+  int ligne=slide.toInt();
   for(int i=0;i<max;i++){
-    if(i==emptyIndex){
+    if(i==emptyIndex && play){
       tiles.add(TileWidget(Tile(imageURL:"https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Fond_blanc.svg/1200px-Fond_blanc.svg.png",
-          alignment: Alignment(-1,-1),size: slide),false));
-    }else if(i==emptyIndex+1 || i==emptyIndex+slide.toInt()){
-      tiles.add(TileWidget(listTiles[i],true));
+          alignment: Alignment(-1,-1),size: slide),false,""));
+    }else if(((i==emptyIndex+1 && i%ligne!=0) ||
+        i==emptyIndex+ligne ||
+        (i==emptyIndex-1 && (i+1)%ligne!=0)||
+        i==emptyIndex-ligne) && play){
+      tiles.add(TileWidget(listTiles[i],true,getRightText(nombres, i)));
     }
-    else tiles.add(TileWidget(listTiles[i],false));
+    else tiles.add(TileWidget(listTiles[i],false,getRightText(nombres, i)));
   }
   return tiles;
 }
@@ -69,9 +87,15 @@ class JeuDuTaquin extends StatefulWidget {
 class JeuDuTaquinState extends State<JeuDuTaquin> {
   TextStyle textStyle = TextStyle(fontSize: 16, fontWeight: FontWeight.bold,);
   var appBar= AppBar(title: Text('Jeu Du Taquin'),);
-  double _currentSlideValue=4;
-  List<TileWidget> tiles=createTileWidgets(4, 0,createListTile(4));
-  int emptyIndex=0;
+  List<TileWidget> tiles=createTileWidgets(3, 4,createListTile(3),false,false);
+  double _currentSlideValue=3;
+  double _currentDifficultyValue=100;
+  bool isPlaying=false;
+  bool _numbers=false;
+  int emptyIndex=4;
+  int previousEmptyIndex=-1;
+  int count=0;
+  Random random = new Random();
 
   @override
   Widget build(BuildContext context) {
@@ -80,7 +104,7 @@ class JeuDuTaquinState extends State<JeuDuTaquin> {
         body: ListView(children: [
           SizedBox(
               width: MediaQuery.of(context).size.width,
-              height: MediaQuery.of(context).size.height*0.7,
+              height: MediaQuery.of(context).size.height*0.6,
               child: Container(
                 child:GridView.builder(
                   padding: const EdgeInsets.all(10),
@@ -96,6 +120,8 @@ class JeuDuTaquinState extends State<JeuDuTaquin> {
                       child:InkWell(
                         child: tiles[index],
                         onTap: (){
+                          previousEmptyIndex=emptyIndex; //on garde le coup précédent
+                          count++; //on incremente le compteur de coup
                           swapTiles(index,emptyIndex);
                         },
                       ),
@@ -104,7 +130,39 @@ class JeuDuTaquinState extends State<JeuDuTaquin> {
                 ),
               ),
           ),
-          Row(children: <Widget>[
+          isPlaying? Container(height: 40,child:Align(
+            child:Text("Compteur de coups: "+count.toString(),style: textStyle,),
+            alignment: Alignment.center,
+          )): new Container(),
+          isPlaying? Align(
+            child:RaisedButton(
+              onPressed: () {
+                if(previousEmptyIndex!=-1){
+                  count--;
+                  swapTiles(previousEmptyIndex, emptyIndex);
+                }
+              },
+              child: const Text('Annuler Action', style: TextStyle(fontSize: 20)),
+            ),
+            alignment: Alignment.center,
+          ): new Container(),
+          !isPlaying? Row(children: <Widget>[
+            Container(width: 90,child:Text('Mélanges:', style: textStyle,textAlign: TextAlign.center,),padding: EdgeInsets.fromLTRB(8, 0, 0, 0),),
+            Container(height:((MediaQuery.of(context).size.height)/7)-appBar.preferredSize.height,width: MediaQuery.of(context).size.width-90,child: Slider(
+                value: _currentDifficultyValue,
+                min: 20, max: 220, divisions: 10,
+                activeColor: Colors.blue,
+                inactiveColor: Colors.grey,
+                label: _currentDifficultyValue.round().toString(),
+                onChanged: (double value) {
+                  setState(() {
+                    if(!isPlaying)_currentDifficultyValue = value;
+                  });
+                }),
+            ),
+          ]
+          ): new Container(),
+          !isPlaying? Row(children: <Widget>[
             Container(width: 90,child:Text('Taille:', style: textStyle,textAlign: TextAlign.center,),padding: EdgeInsets.fromLTRB(8, 0, 0, 0),),
             Container(height:((MediaQuery.of(context).size.height)/7)-appBar.preferredSize.height,width: MediaQuery.of(context).size.width-90,child: Slider(
                 value: _currentSlideValue,
@@ -112,16 +170,47 @@ class JeuDuTaquinState extends State<JeuDuTaquin> {
                 label: _currentSlideValue.round().toString(),
                 onChanged: (double value) {
                   setState(() {
+                    if(!isPlaying){
                       _currentSlideValue = value;
-                    tiles=createTileWidgets(_currentSlideValue,emptyIndex,createListTile(_currentSlideValue));
+                      if(_currentSlideValue%2==1)emptyIndex=((_currentSlideValue*_currentSlideValue)-1)~/2; //si impair alors milieu
+                      else emptyIndex=random.nextInt((_currentSlideValue*_currentSlideValue).toInt()); //sinon aleatoire
+                      tiles=createTileWidgets(_currentSlideValue,emptyIndex,createListTile(_currentSlideValue),isPlaying,_numbers);
+                    }
+                  });
+                }),
+              ),
+            ]
+          ): new Container(),
+          !isPlaying? Row(mainAxisSize: MainAxisSize.min,
+              children: <Widget>[
+                Container(width: 100,child:Text('Afficher les nombres:', style: textStyle, textAlign: TextAlign.center,),padding: EdgeInsets.fromLTRB(8, 0, 0, 0),),
+                Container(height:((MediaQuery.of(context).size.height)/7)-appBar.preferredSize.height,width: 100,child: Checkbox(
+                    value: _numbers,
+                    onChanged: (value) {
+                      setState(() {
+                        if(!isPlaying)_numbers = !_numbers;
                       });
                     }
                 ),
                 ),
               ]
+          ): new Container(),
+      ],),
+      floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
+      floatingActionButton: new FloatingActionButton(
+        onPressed:(){
+          setState(() {
+            if(!isPlaying){ //lancement du jeu
+              isPlaying=true;
+              tiles=createTileWidgets(_currentSlideValue,emptyIndex,createListTile(_currentSlideValue),isPlaying,_numbers);
+              shuffle(_currentDifficultyValue.toInt());
+            }else reset();
+
+          });
+        },
+        tooltip: 'Play',
+        child: new Icon(isPlaying? Icons.cancel:Icons.play_arrow),
       ),
-        ],
-        )
     );
   }
 
@@ -151,11 +240,60 @@ class JeuDuTaquinState extends State<JeuDuTaquin> {
       }else print("Can't move this");
 
       //ajout des bordures rouges
-      if(emptyIndex>=_currentSlideValue) tiles[emptyIndex-_currentSlideValue.toInt()].isUsable=true;
-      if(emptyIndex<(_currentSlideValue*(_currentSlideValue-1))) tiles[emptyIndex+_currentSlideValue.toInt()].isUsable=true;
-      if((emptyIndex+1)%_currentSlideValue!=0)tiles[emptyIndex+1].isUsable=true;
-      if(emptyIndex%_currentSlideValue!=0)tiles[emptyIndex-1].isUsable=true;
+      if(emptyIndex>=_currentSlideValue) tiles[emptyIndex-_currentSlideValue.toInt()].isUsable=true; //haut
+      if(emptyIndex<(_currentSlideValue*(_currentSlideValue-1))) tiles[emptyIndex+_currentSlideValue.toInt()].isUsable=true; //bas
+      if((emptyIndex+1)%_currentSlideValue!=0)tiles[emptyIndex+1].isUsable=true; //droite
+      if(emptyIndex%_currentSlideValue!=0)tiles[emptyIndex-1].isUsable=true; //gauche
     });
   }
 
+  shuffle(int difficulty){
+    Random random = new Random();
+    for (int i=0;i<difficulty;i++){
+      switch (random.nextInt(4)){
+        case 0: {
+          if(emptyIndex>=_currentSlideValue) {
+              swapTiles(emptyIndex - _currentSlideValue.toInt(), emptyIndex);
+            }
+          else i--;
+        }
+        break;
+
+        case 1: {
+          if((emptyIndex+1)%_currentSlideValue!=0) {
+              swapTiles(emptyIndex + 1, emptyIndex);;
+            }
+          else i--;
+        }
+        break;
+
+        case 2: {
+          if(emptyIndex<(_currentSlideValue*(_currentSlideValue-1))) {
+              swapTiles(emptyIndex + _currentSlideValue.toInt(), emptyIndex);
+            }
+          else i--;
+        }
+        break;
+
+        case 3: {
+          if(emptyIndex%_currentSlideValue!=0) {
+              swapTiles(emptyIndex - 1, emptyIndex);
+            }
+          else i--;
+        }
+        break;
+
+        default: {}
+        break;
+      }
+    }
+  }
+
+  reset(){
+    isPlaying=false;
+    count=0;
+    previousEmptyIndex=-1;
+    tiles=createTileWidgets(_currentSlideValue,emptyIndex,createListTile(_currentSlideValue),isPlaying,_numbers);
+  }
+
 }
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